Home / 1,132,656.90-1,698,985.35-1,089,111.30

Finding the Fourth Proportional to 1,132,656.90, 1,698,985.35 and 1,089,111.30

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Solution

The fourth proportional to 1,132,656.90, 1,698,985.35 and 1,089,111.30 is: 1,633,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,656.90 : 1,698,985.35 = 1,089,111.30 : x
  2. Step 2: Convert to fraction form
    1,132,656.90/1,698,985.35 = 1,089,111.30/x
  3. Step 3: Cross multiply
    1,132,656.90x = 1,698,985.35 × 1,089,111.30
  4. Step 4: Simplify right side
    1,132,656.90x = 1,850,384,143,219.46
  5. Step 5: Solve for x
    x = 1,850,384,143,219.46/1,132,656.90
  6. Step 6: Final answer
    x = 1,633,666.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.